Albeet g



(No Model.)

A. G.` HAMBLIN.` HEATING DRUM.

`laA-,emed Dec. s, 1889.v

EEE@ w III. mm

UNITED STATES PATENT OFFICE.

ALBERT G. HAMBLIN, OFv BIG RAPIDS, MICHIGAN, ASSIGNOR OF ONE-HALF TO ROBERT RITCI-IIE, OF SAME PLACE.

HEATING-DRUM.

SPECIFICATION forming part of Letters Patent No. 416,601, dated December 3, 1889.

Application filed October 10, 1888. Serial No. 287,764. (No model.)

To all whom t may. concern:

Be it' known that I, ALBERT G. HAMBLIN,

a citizen of the United States, residing at Big vices, fully described hereinafter in connec tion with the accompanying drawings, and specifically pointed out in the appended claim. In the drawings, Figure l is a side view of the improved drum. Fig. 2 is a central vertical sectional view thereof. Fig. 3 is a horizontal section on the line x of Fig. 1.

Referring to the drawings by letter, A designates the cylindrical body or casing,"which is provided at its upper and lower ends with the upwardly and downwardly convexed heads B and B', respectively, to which are connected the outlet and inlet smoke-pipes C and C. The body or casing is provided Vin its side with the hinged door D, which may be opened to enable the int-erior of the drum to be cleaned when necessary. A series of heating-dues E E are arranged vertically in the body or casing, and extend at their ends through the upper and lower heads of the same around the outletand inlet pipes. It will be seen that these fines do not communicate with the interior of the body or casing.

F F E2 represent deliectors, which are arranged at intervals in the body or casing, the lower and upper deflectors F and F2 being slightly removed at their edges from the sides of the body or casing, and the intermediate deiiector F being provided with a central opening f. It will be seen that the central opening of the intermediate deflector is out of alignment with the peripheral openings f and f2 at the edges of the upper and lower deflectors, and therefore the smoke and other products of combustion in passing through the body or casing are iirst distributed and` caused to pass through the peripheral opening f, then collected and caused to pass through the central opening f then distributed and caused to pass through the peripheral openi ing f2, and, lastly, they are collected and al- The efect of heating the flues above Inen` tioned is to heat the columns of air therein and causecurrents of air therethrough. The cold air enters the lower ends of the said iiues and passes out of their upper ends in a heated condition. s

Having thus described the invention, I claime The combination, with the heating drum or cylinder having the opposite central smokepipes and the annularly-arranged series `of openings, those of one head being vertically opposite those of the other head, ofthe opposite convex and similarly-disposed imperforate deflectors, the diameters of which are less than that of the cylinder, the intermediate deflector concaved and oppositely disposed to the end deiiectors, and of a diameter corresponding with that of the cylinder and provided with a central opening and the annularly-arranged series of open-ended 'cold-air pipes. terminating in the openings in the heads of the cylinder and 'passing through and tightly fitting corresponding openings in l the deflectors and serving tosupport said demy own I have hereto affixed my signature in presence of two witnesses.

lALBERT G. l-IAMBLIN.

Witnesses:

H. L. GoULDsBoRoUGII, C. W. NOTTINGHAM. 

